diff --git a/src/adaptors/ga.js b/src/adaptors/ga.js
index 4001974..b5651ae 100644
--- a/src/adaptors/ga.js
+++ b/src/adaptors/ga.js
@@ -28,6 +28,12 @@ module.exports = function (options) {
 		},
 		track: function (prefix, type, data) {
 			return gaClient.track(site, type, prefix, data)
+		},
+		getAnonymousUserId: function() {
+			return {ga: null}
+		},
+		identifyAnonymousUser: function() {
+			return null
 		}
 	}
 }
diff --git a/src/adaptors/gosquared.js b/src/adaptors/gosquared.js
index f258338..4c760af 100644
--- a/src/adaptors/gosquared.js
+++ b/src/adaptors/gosquared.js
@@ -36,6 +36,12 @@ module.exports = function (options) {
 		},
 		track: function (prefix, type, data) {
 			return gsClient.track(prefix, type, data)
+		},
+		getAnonymousUserId: function() {
+			return {gs: null}
+		},
+		identifyAnonymousUser: function() {
+			return null
 		}
 	}
 }
diff --git a/src/adaptors/mixpanel.js b/src/adaptors/mixpanel.js
index fc965cb..19e24ea 100644
--- a/src/adaptors/mixpanel.js
+++ b/src/adaptors/mixpanel.js
@@ -69,6 +69,12 @@ module.exports = function (options) {
 		},
 		track: function (prefix, type, data) {
 			return mixpanel.track("[" + prefix + "] " + type, data)
+		},
+		getAnonymousUserId: function() {
+			return {mixpanel: mixpanel.getAnonymousUserId()}
+		},
+		identifyAnonymousUser: function(id) {
+			return mixpanel.identifyAnonymousUser(id)
 		}
 	}
 }
diff --git a/src/resin-event-log.js b/src/resin-event-log.js
index 3d9aae6..41d8bbd 100644
--- a/src/resin-event-log.js
+++ b/src/resin-event-log.js
@@ -170,6 +170,13 @@ module.exports = function(options) {
 				}).then(function () {
 					return runAfterHook()
 				}).asCallback(callback)
+		},
+		// These functions are only available for use in the browser
+		getAnonymousUserId: function(callback) {
+			return runForAllAdaptors('getAnonymousUserId', [], callback)
+		},
+		identifyAnonymousUserId: function(callback) {
+			return runForAllAdaptors('identifyAnonymousUserId', [], callback)
 		}
 	}
 
diff --git a/test/resin-event-log.spec.js b/test/resin-event-log.spec.js
index e8bebcc..87f4be6 100644
--- a/test/resin-event-log.spec.js
+++ b/test/resin-event-log.spec.js
@@ -828,4 +828,43 @@ describe('ResinEventLog', function () {
 			})
 		})
 	})
+
+	describe('All platforms', function () {
+		it.only('Trigger getAnonymousUserId in browser & fail in node', function (done) {
+			eventLog = ResinEventLog({
+				mixpanelToken: MIXPANEL_TOKEN,
+				gaId: GA_ID,
+				gaSite: GA_SITE,
+				gosquaredId: GOSQUARED_ID,
+				gosquaredApiKey: GOSQUARED_API_KEY,
+				prefix: SYSTEM,
+				debug: EXTRA_DEBUG,
+			})
+
+			if(IS_BROWSER) {
+				eventLog.getAnonymousUserId()
+				.then(function(platformIds) {
+					expect(platformIds).to.have.lengthOf(3);
+					// GA
+					expect(platformIds[0]).to.have.property('ga');
+					expect(platformIds[0]['ga']).to.be.null;
+					// Mixpanel
+					expect(platformIds[1]).to.have.property('mixpanel');
+					expect(platformIds[1]['mixpanel']).to.be.a('string');
+					// GS
+					expect(platformIds[2]).to.have.property('gs');
+					expect(platformIds[2]['gs']).to.be.null;
+
+					done()
+				})
+			}
+			else{
+				eventLog.getAnonymousUserId()
+				.catch(function(err) {
+					expect(err.message).to.equal('(Resin Mixpanel Client) function getAnonymousUserId is only available for the browser')
+					done()
+				})
+			}
+		})
+	})
 })